Hi Wolfgang Thanks for the reply...
> Decode the backtrace (see ftp://ftp.denx.de/pub/tools/backtrace) Which I did - but what does it tell me...and why so many unknown addresses?: ################################################################################### ################################################################################### ..... ..... NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 1024 bind 1024) eth0: config: auto-negotiation on, 100FDX, 100HDX, 10FDX, 10HDX. NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. Looking up port of RPC 100003/2 on 172.17.5.125 Looking up port of RPC 100005/2 on 172.17.5.125 VFS: Mounted root (nfs filesystem). Freeing unused kernel memory: 48k init Machine check in kernel mode. Caused by (from SRR1=49030): Transfer error ack signal Oops: machine check, sig: 7 NIP: C000D594 XER: 20000000 LR: C0040238 SP: C0EE1DB0 REGS: c0ee1d00 TRAP: 0200 MSR: 00049030 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 TASK = c0ee0000[8] 'modprobe' Last syscall: 5 last math c0ee0000 last altivec 00000000 GPR00: 00000040 C0EE1DB0 C0EE0000 C0EDE000 0FFE0C58 00001000 C0EDDFFF 0FFDF304 GPR08: C01F25C0 00000000 C0EDE000 00000001 24888088 1003A1A8 00FFB000 007FFF79 GPR16: C013B478 C013B578 C0EE1F08 84888024 00009032 00EE1DF0 00000000 C0003DE4 GPR24: C0003B20 0FFEAA94 0FFED6A0 100389E8 00000008 C0EDE000 00001000 0FFE0C58 Call backtrace: C00401C8 C0033434 C0003B7C 00000000 0FF1A05C 0FF4FBF8 0FF4EA04 0FF4F858 0FF4C4C8 0FF85B60 0FF85998 10015108 0FEE67B8 0FECFF74 00000000 *********************************************************************************** The backtrace: *********************************************************************************** 0xc00401c8 -- 0xc00401a0 + 0x0028 Letext 0xc0033434 -- 0xc0033418 + 0x001c sys_open 0xc0003b7c -- 0xc0003b7c + 0x0000 ret_from_syscall_1 0x00000000 -- unknown address 0x0ff1a05c -- unknown address 0x0ff4fbf8 -- unknown address 0x0ff4ea04 -- unknown address 0x0ff4f858 -- unknown address 0x0ff4c4c8 -- unknown address 0x0ff85b60 -- unknown address 0x0ff85998 -- unknown address 0x10015108 -- unknown address 0x0fee67b8 -- unknown address 0x0fecff74 -- unknown address *********************************************************************************** INIT: version 2.78 booting Machine check in kernel mode. Caused by (from SRR1=49030): Transfer error ack signal Oops: machine check, sig: 7 NIP: C000D594 XER: 20000000 LR: C0040238 SP: C01F1DF0 REGS: c01f1d40 TRAP: 0200 MSR: 00049030 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 TASK = c01f0000[1] 'init' Last syscall: 33 last math 00000000 last altivec 00000000 GPR00: 00000040 C01F1DF0 C01F0000 C0E7E000 0FFE6DA8 00001000 C0E7DFFF FEFEFEFF GPR08: C01F25E0 00000000 C0E7E000 00000001 4444408D 1001F5A8 00FFB000 007FFF79 GPR16: 00000001 00000000 007FFF00 10010000 00009032 001F1E70 00000000 C0003DE4 GPR24: C0003B20 10006BF0 7FFFFAD8 00000000 C01F1E38 C0E7E000 00001000 0FFE6DA8 Call backtrace: C00401C8 C00417FC C0032784 C0003B7C 3000B178 0FFB5D08 0FFB5F6C 1000660C 10006690 10003384 10004328 10005C64 10006088 0FECFF70 00000000 *********************************************************************************** The backtrace: *********************************************************************************** 0xc00401c8 -- 0xc00401a0 + 0x0028 Letext 0xc00417fc -- 0xc00417e0 + 0x001c __user_walk 0xc0032784 -- 0xc003271c + 0x0068 sys_access 0xc0003b7c -- 0xc0003b7c + 0x0000 ret_from_syscall_1 0x3000b178 -- unknown address 0x0ffb5d08 -- unknown address 0x0ffb5f6c -- unknown address 0x1000660c -- unknown address 0x10006690 -- unknown address 0x10003384 -- unknown address 0x10004328 -- unknown address 0x10005c64 -- unknown address 0x10006088 -- unknown address 0x0fecff70 -- unknown address *********************************************************************************** Kernel panic: Attempted to kill init! Rebooting in 1 seconds.. ################################################################################### ################################################################################### > To me it seems that you should check your memory map. Well I only map the internal dpram and the flash in init.c; *********************************************************************************** case _MACH_8260: setbat(0, IMAP_ADDR, IMAP_ADDR, 0x1000000, IO_PAGE); /* Internal regs */ setbat(1, 0xf0000000, 0xf0000000, 0x10000000, IO_PAGE); /* FLASH */ ioremap_base = IMAP_ADDR; break; *********************************************************************************** > For example, where is the IMMR mapped? Here are excerpts from my BDI config file; *********************************************************************************** WREG MSR 0x00001002 ; default MSR WM32 0x000101A8 0x0F000000 ; IMMR == 0x0F000000, move internal memspace to 0x0F000000 WM32 0x0F010004 0xFFFFFFC3 ; SYPCR == no watchdog WM32 0x0F010C80 0x00000019 ; SCCR == normal operations WM32 0x0F010024 0x100C0000 ; BCR == single mode ; CHIP SELECT BASE ADDRESS SIZE BUS PORT SIZE COMMENTS ; ----------- ------------ ---- ----- --------- -------- ; #CS0 0xFF000000 16MB 60x 64 bits 16MB FLASH ; #CS1 0x00000000 16MB 60x 32bits 16MB SDRAM ; #CS2 0xE2000000 16 B Local 8 bits 16 B RTC ; #CS3 0xE3000000 8 B Local 16 bits 8 B USB ; #CS4 0xE4000000 1 B Local 8 bits 1 B CAN ; #CS5 0xE5000000 16 B Local 8 bits 16 B ARCNET ; #CS6 0xE6000000 16MB Local 32 bits 16MB FPGA ; WM32 0x0F010100 0xFF000001 ; BR0 - FLASH WM32 0x0F010104 0xFF001047 ; OR0 - FLASH WM16 0x0F010184 0x2000 ; MPTPR: Divide bus clock by 32 WM8 0x0F01019C 0x20 ; PSRT(Local bus SDRAM Refresh Timer): Divide MPTPR output by 30 WM32 0x0F01010C 0xFF0030C0 ; OR1 - SDRAM WM32 0x0F010108 0x00001841 ; BR1 - SDRAM 0x00001841 WM32 0x0F010190 0xAA66B552 ; PSDMR: Precharge all banks E WM32 0x00000000 0xFF ; Access SDRAM WM32 0x0F010190 0x8A66B552 ; PSDMR: CBR Refresh C WM8 0x00000000 0xFF ; Access SDRAM WM8 0x00000000 0xFF ; Access SDRAM WM32 0x0F010190 0x9A66B552 ; PSDMR: Mode Set D WM8 0x00000000 0xFF ; Access SDRAM WM32 0x0F010190 0xC266B552 ; PSDMR: enable refresh, normal C36AB552 WM8 0x00000000 0xFF ; Access SDRAM WM32 0x0F010114 0xFF001CF6 ; OR2 - RTC WM32 0x0F010110 0xE2000821 ; BR2 - RTC WM32 0x0F01011C 0xFF001047 ; OR3 - USB WM32 0x0F010118 0xE3001021 ; BR3 - USB WM32 0x0F010124 0xFF001CF6 ; OR4 - CAN WM32 0x0F010120 0xE4000821 ; BR4 - CAN WM32 0x0F01012C 0xFF001047 ; OR5 - ARCNET WM32 0x0F010128 0xE5001021 ; BR5 - ARCNET *********************************************************************************** > Did you make sure to put it at a "high" address? Is 0x0F000000 high enough? Do you have a better suggestion? Furthermore, if I disable the 60x Busmonitor (i.e. write 0xFFFFFF34 to SYPCR at startup), I do not get the oops, but the system only hangs after freeing init memory....does this mean that the problem lies with my 60x bus (SDRAM/FLASH)? Thanks Etienne ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
